diff options
Diffstat (limited to 'include/linux/ax25_userdev.h')
| -rw-r--r-- | include/linux/ax25_userdev.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/include/linux/ax25_userdev.h b/include/linux/ax25_userdev.h new file mode 100644 index 000000000..cc58a3e5e --- /dev/null +++ b/include/linux/ax25_userdev.h @@ -0,0 +1,120 @@ +/* + * AX.25 usermode device driver. + * Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com> + * Copyright 2001, by Joerg Reuter <jreuter@yaina.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __IF_AX25_UDEV_H +#define __IF_AX25_UDEV_H + +#define AX25_UDEV_VER "0.1" +#define AX25_UDEV_DEBUG + +/* Uncomment to enable debugging */ +/* #define AX25_UDEV_DEBUG 1 */ + +#ifdef __KERNEL__ + +#ifdef AX25_UDEV_DEBUG +#define DBG if(ax25_udev->debug)printk +#define DBG1 if(debug==2)printk +#else +#define DBG( a... ) +#define DBG1( a... ) +#endif + +struct ax25_udev_struct { + char name[IFNAMSIZ]; + unsigned long flags; + + struct fasync_struct *fasync; + wait_queue_head_t read_wait; + + struct net_device dev; + struct sk_buff_head txq; + struct net_device_stats stats; + struct ax25_dev ax25_dev; + + struct { + int duplex; + int arbitration; + } capabilities; + + struct { + int dcd:1; + int cts:1; + int rts:1; + int ptt:1; + } status; + +#ifdef AX25_UDEV_DEBUG + int debug; +#endif +}; + +#endif /* __KERNEL__ */ + +/* Number of devices */ +#define AX25_UDEV_MAX_DEV 255 + +/* TX queue size */ +#define AX25_UDEV_TXQ_SIZE 10 + +/* Max frame size */ +#define AX25_UDEV_MAX_FRAME 4096 + +/* AX25_UDEV device flags */ +#define AX25_UDEV_TYPE_MASK 0x000f +#define AX25_UDEV_FASYNC 0x0010 +#define AX25_UDEV_IFF_SET 0x1000 + +/* AX25_UDEV IFF ioctl */ +#define AX25_UDEV_SETIFF _IOW(0x25, 0, void *) +#define AX25_UDEV_SETDEBUG _IOW(0x25, 1, int) + +/* Packet layout: + * + * (int) packet_type + * (int) data + * ... + * + * Exception for AX25_UDEV_DATA: + * (int) 0 + * (char) octet + * ... + * + */ + +typedef enum ax25_user_dev_commands_e { + AX25_UDEV_DATA, + AX25_UDEV_CAPABILITIES, + AX25_UDEV_DCD_STATUS, + AX25_UDEV_CTS_STATUS, + AX25_UDEV_PTT_STATUS, + AX25_UDEV_SET_MAC_VALUE, + AX25_UDEV_REQUEST_RTS +} ax25_user_dev_commands_t; + +typedef enum ax25_user_dev_capabilities_e { + AX25_UDEV_CAP_HALF_DUPLEX, + AX25_UDEV_CAP_FULL_DUPLEX, + AX25_UDEV_CAP_ADVANCED_ARBITRATION, + AX25_UDEV_CAP_OWN_ARBITRATION, + AX25_UDEV_CAP_SIMPLE_ARBITRATION +} ax25_user_dev_capabilities_t; + +typedef int ax25_udev_pt_t; +typedef int ax25_udev_val_t; + +#endif /* __IF_AX25_UDEV_H */ |